CI: packaging lint checks every Windows .wxs file (#466)

.github/workflows/packaging-lint.yml

@@ -46,7 +46,7 @@ jobs:
           }
       - name: XML, desktop entry, AppStream, Flatpak manifest
         run: |
-          xmllint --noout packaging/windows/effectcraft.wxs packaging/macos/*.plist* packaging/linux/*.xml*
+          xmllint --noout packaging/windows/*.wxs packaging/macos/*.plist* packaging/linux/*.xml*
           # Windows Installer needs Icon ids ending in .ico or .exe, or shortcuts show a blank icon.
           if grep -oE '<Icon Id="[^"]*"' packaging/windows/effectcraft.wxs | grep -vE '\.(ico|exe)"$'; then
             echo "::error::Icon Id must end in .ico or .exe"; exit 1